Computer games for a long time and successfully hack from base to top. Now it is no longer “stupid fun”, but whole Cybersport, where the winners are awarded solid cash prizes. Iron producers react accordingly, releasing branded limited lines of mice, joysticks, tablets and other accessories for gamers. Stand alone are companies that specifically develop gaming systems. They are expensive, look impressive and pleasant to use.

Lenovo’s product range has a full range of PCs from smartphones to high-performance workstations, but it has never been noticed in excessive arrogance, ostentatious decorations and game series. That's the new gaming station Lenovo Y900 looks more like a regular system unit, except that it looks more impressive at the expense of the carbon front panel.
On the left, there is also no window, traditional for gaming enclosures, only a few hundred vents for ventilation.
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Special attention deserves the structure of the front panel. In its upper part there are connectors for connecting external peripherals: drives, memory cards, headsets.

There is a cooling fan (120 mm) and an optical drive behind the plastic.
The second place under the fan is free. Air is drawn in through the side and bottom slots in the front panel:

A close look will notice a strange element closer to the right side of the case:
This is a simple bipolar transistor 2N3904, used as a temperature sensor for the operation of the fan speed adjustment system integrated into the motherboard. At an ambient temperature of 21-24 degrees, two case fans rotate at a speed of 850-880 rev / min, processor speed 1100-1200 rev / min and practically do not differ on the general background. When the sensor is heated to 40 degrees, the speed of the impellers increases to 1400-2000 rpm. The solution is good, simple and practical.
The rear wall of the case is traditional: connectors and plugs:
The power supply is shifted to the bottom for greater convenience. The left wall is locked in the installed position by a special switch above the fan grille:

After removing the lock, just click on the triangular key, decorated "under the carbon", and the wall can be easily dismantled:

Under the figured cutouts, tightened from the inside by a red grid, one more 120 mm fan can be placed:

Such a small number of installed fans is due to the fact that there is not much iron inside the case: a motherboard with a processor and RAM, a video card, two drives, a power supply and an optical drive

Socket 1151 is equipped with an Intel Core i7-6700 processor, almost the top-end desktop version on the Skylake-S core:

Its base frequency is 3.4 GHz, the maximum (Turbo) is 4 GHz. Due to the relatively low heat dissipation (65 W), the cooler is installed the most common, without heat pipes and bulky fans. Due to its proximity to the blown-out case fan, overheating does not occur even under severe load.

For all the tests, the maximum core temperature did not reach 65 degrees:
RAM is installed 16 GB of two strips Hynix HMA41GU6AFR8N of 8 GB each; type DDR3-2133.
NVIDIA GTX 970 graphics card with 4 GB of video memory on board, the reference cooling system:

It is worth noting the mounting system expansion cards. On the one hand, they are held together by a common bracket with a retainer:

On the opposite side for long boards an additional locking structure is installed:

Thus, the video card can be released with four simple movements, and after installation it is securely fixed in the housing from two sides, removing the mechanical load from the motherboard.
Drives are installed on top of one another:

Under the system allocated 192 GB SSD ...

... Under data storage - 2 TB Seagate drive:

They do not need additional cooling (for example, a case fan), natural convection is enough to maintain temperatures at 40 degrees with an active load (copying large amounts of data).
The wireless adapter on the Atheros chip (Wi-Fi 802.11n) is located at the very bottom of the motherboard:
Two antenna modules are located at the very top, under a plastic decorative cover.
450 watt AcBel unit feeds the system:

The 120-mm fan of the unit draws air from below and is completely isolated from the internal space.
All power and signal cables neatly laid behind the motherboard:

The complete configuration of this system can be seen in the table:
CPU | Intel Core i7-6700,300 MHz |
RAM | 2x 8 GB DDR4-2133 |
Video card
| NVIDIA GeForce GTX 970 4GB
|
System drive
| SAMSUNG MZ7LF192HCGS 192 GB
|
Storage Drive
| Seagate ST2000DX001-SSHD-8GB 2 TB
|
Optical drive
| MATSHITA DVD-RAM SW840
|
Wired network
| 1 Gbps Realtek 8111
|
Wireless network
| Wi-Fi 802.11n Atheros QCA61x4, Bluetooth
|
Power Supply
| AcBel 450 W
|
Cooling
| 2x 120 mm 2000 rpm
|
Dimensions
| 206 x 504 x 479 mm
|
Weight
| 15 kg
|
The PCmark 8 test package rated the system quite high (the system SSD was used in the “storage” pattern):
3D Mark gave the following numbers:
Good result for such a config. Practical tests in four popular games (DOOM, Call of Duty: Black Ops III, Dying Light, GTA V) with medium graphics settings allow you to call the resolution of 1920 x 1080 fully comfortable, the minimum fps does not fall below 25, the average is kept in the interval 50-70 The maximum is often above 100.
In general, the Ideacentre Y900 is made in the canon of corporate devices Lenovo: rigor, simplicity, reliability. Of the external decorations, only the front panel illumination with three LEDs and external plastic housing elements. The config is balanced and self-sufficient, there is a fast drive for the system, and a volume drive for data, a wired and wireless network. Sophisticated ventilation and speed control will not allow overheating in the system on hot summer days.
In the minuses, you can record only the high price (from 150,000 rubles in Moscow at the time of writing the material) and the unsoldered second graphics slot PCI-Ex16, somewhat narrowing the possibilities for increasing the system capacity.
Thanks for attention!